Home / 1,257,176.43-1,734,940.35-684,253.71

Finding the Fourth Proportional to 1,257,176.43, 1,734,940.35 and 684,253.71

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Solution

The fourth proportional to 1,257,176.43, 1,734,940.35 and 684,253.71 is: 944,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,176.43 : 1,734,940.35 = 684,253.71 : x
  2. Step 2: Convert to fraction form
    1,257,176.43/1,734,940.35 = 684,253.71/x
  3. Step 3: Cross multiply
    1,257,176.43x = 1,734,940.35 × 684,253.71
  4. Step 4: Simplify right side
    1,257,176.43x = 1,187,139,371,116.20
  5. Step 5: Solve for x
    x = 1,187,139,371,116.20/1,257,176.43
  6. Step 6: Final answer
    x = 944,290.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.